Subject: Re: Looking for information about a DEC video board...
To: Chris G Demetriou <Chris_G_Demetriou@UX2.SP.CS.CMU.EDU>
From: Jon Katz <email@example.com>
Date: 04/12/1996 23:40:20
The CL5422 (your Cirrus Logic chip) is a standard Cirrus Logic SVGA chip.
Its on the low end, but if I remember correctly it can do 1024x768x16 (or
I hope this helps and isn't misleading. Enjoy?
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On Fri, 12 Apr 1996, Chris G Demetriou wrote:
> Hi folks... Perhaps somebody here can help me out with this...
> I'm looking for information on the DEC video board known as
> the "PowerStorm 3D30," a.k.a. the PBXGB-AA, a.k.a. the "ZLX2-E1".
> Digital UNIX treats it as a TGA, but it doesn't seem to behave quite
> like either a dc21030 or a dc21130. (It appears to behave more like a
> It has Digital's PCI vendor ID (0x1011), and a product ID of 0xd,
> which matches neither the 21030 (product ID 0x4) or the 21130 (product
> ID 0xc). It has a PCI 'revision' field of 0x22. It appears to be a
> combination VGA and 2-D accelerator, and shows up as a PCI VGA device.
> Looking at the board, it has the following "big chips" on it:
> Cirrus chip (video?) with markings:
> Cirrus Logic
> 9502 N
> IBM chip (bus interface?) with markings:
> Bt485A RAMDAC